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Hazardous Weather Conditions

Current conditions at

New Ulm Municipal Airport (KULM)

Lat: 44.32°NLon: 94.5°WElev: 1001ft.

Partly Cloudy

77°F

25°C

Humidity 100%
Wind Speed Calm
Barometer 29.92 in
Dewpoint 77°F (25°C)
Visibility 7.00 mi
Heat Index78°F (26°C)
Last update 25 Jul 11:35 pm CDT
Extended Forecast for

Winthrop MN

Extreme Heat Warning July 25, 11:54pm until July 26, 09:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning July 25, 11:54pm until July 26, 09:00pm

    NOW until 9:00pm Sun

    Extreme Heat Warning

  • Tonight

    Low: 74 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 96. Heat index values as high as 109. South wind 5 to 10 mph.

    High: 96 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 75. South wind 5 to 10 mph.

    Low: 75 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 94. Heat index values as high as 97. West wind 5 to 15 mph becoming north northwest in the afternoon.

    High: 94 °F

    Hot

  • Monday Night

    Monday Night: Partly cloudy, with a low around 67. North northeast wind 5 to 10 mph.

    Low: 67 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Patchy fog before 7am. Otherwise, sunny, with a high near 90. North northeast wind around 5 mph becoming calm.

    High: 90 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 66. North northeast wind around 5 mph becoming southeast after midnight.

    Low: 66 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 91. South wind around 5 mph.

    High: 91 °F

    Sunny

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms between 1am and 3am. Partly cloudy early, then becoming cloudy, with a low around 74. Southeast wind around 5 mph. Chance of precipitation is 20%.
Sunday
Mostly sunny and hot, with a high near 96. Heat index values as high as 109. South wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 75. South wind 5 to 10 mph.
Monday
Sunny and hot, with a high near 94. Heat index values as high as 97. West wind 5 to 15 mph becoming north northwest in the afternoon.
Monday Night
Partly cloudy, with a low around 67. North northeast wind 5 to 10 mph.
Tuesday
Patchy fog before 7am. Otherwise, sunny, with a high near 90. North northeast wind around 5 mph becoming calm.
Tuesday Night
Mostly clear, with a low around 66. North northeast wind around 5 mph becoming southeast after midnight.
Wednesday
Sunny, with a high near 91. South wind around 5 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67. South southeast wind 5 to 10 mph.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. South wind around 10 mph.
Thursday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66. South wind 5 to 10 mph.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87. South wind around 5 mph becoming north northwest in the afternoon.
Friday Night
Mostly clear, with a low around 64. Northeast wind around 5 mph becoming calm after midnight.
Saturday
Sunny, with a high near 87. North northwest wind around 5 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Winthrop MN
 44.55°N 94.37°W (Elev. 1027 ft)
Last Update:
10:51 pm CDT Jul 25, 2026
Forecast Valid:
11pm CDT Jul 25, 2026-6pm CDT Aug 1, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation